Installation Manual

Installation Requirements
H-Max Series Variable Frequency Drive MN04008005E—May 2017 www.eaton.com 33
Digital Input Ground Isolation
It is possible to isolate from ground the digital inputs
(terminals 8–10 and 14–16) on the standard I/O board. To
do this, change the position of a DIP switch on the control
board.
Figure 24. Digital Input Ground Isolation
A. The digital inputs
B. Floating
C. Connected to GND (default)
Battery for Real Time Clock
To use the Real Time Clock (RTC), you must install a battery
in the drive.
1. Use a 1/2 AA battery with 3.6 V and a capacity of
1000–1200 mAh. You can use, for example, a Panasonic
BR-1/2 AA or a Vitzrocell SB-AA02.
2. Install the battery on the left side of the control panel.
The battery will last approximately 10 years. See more about
the functions of the RTC in the Application Manual.
A
B
C